A distinctive spineless cactus shaped like a star of broad ribs, dusted with tiny white woolly scales over a grey-green body, opening yellow flowers from its crown. An elegant, geometric collector's plant.
At a glance
- Plant type: Succulent
- Mature size: 20 cm H × 10 cm W
- Aspect: full sun
- Water: very drought tolerant once established
- Frost: tender
- Maintenance: low maintenance
- Origin: Exotic
About Bishop's Cap Cactus
Astrophytum myriostigma is a slow-growing succulent in the Cactaceae family. It reaches around 20 cm tall and 10 cm wide at maturity, with evergreen and silver-grey foliage. Yellow flowers appear in spring and summer.
Where to grow Bishop's Cap Cactus
Bishop's Cap Cactus suits arid and semi-arid and warm-temperate climates and grows best in full sun. It is frost tender, so protect it from hard frosts or grow it in a sheltered spot or pot. It also is a genuinely water-wise choice and is a sought-after collector's plant.
Soil & planting
Bishop's Cap Cactus does best in sandy and free-draining soil. Plant into well-prepared ground, firm the soil around the roots and water deeply to settle it in.
Watering & feeding
Bishop's Cap Cactus handles dry conditions well once established. Apply a balanced fertiliser in spring to support healthy growth. Keep a newly planted specimen evenly watered through its first season; established plants can then follow the water needs above.
Pruning & care
Prune Bishop's Cap Cactus after flowering to keep it compact and encourage the next flush of blooms. Its ongoing care level is low maintenance.
Using Bishop's Cap Cactus in the garden
Bishop's Cap Cactus earns its place for pots and courtyard containers and a feature or specimen planting. It is equally at home in the ground or a large pot on a balcony or courtyard.
Companion planting & design
Build the planting around neighbours suited to the same very drought tolerant and arid and semi-arid climate as Bishop's Cap Cactus. Repeating the foliage or flower colour nearby will make the composition feel deliberate.
Good to know
It is thornless and easy to handle.
Buying Bishop's Cap Cactus
Plant Sale lists Bishop's Cap Cactus as potted plants. Use the interest form above to check current sizes, pricing and availability before ordering.
